Use a sledge hammer to drive the Piercing Applicator through concrete block, cars, mobile homes, etc.
It is designed to get water or foam into hidden trouble spots.
The driving button and point are made of hardened tool steel with impinging jets for a dense fog pattern.
Plus it’s compatible with Class A and B foams.
1.5″ NST inlet standard and is available in either 3′ or 6′ lengths.